Saturday, November 5, 2011

tumor

Saturday, November 5, 2011
Examinations and tests
As symptoms, signs of tumors vary depending on their site and type.
When a tumor is found, a biopsy to determine the benign tumors (benign) or cancerous (malignant). Depending on the location of the tumor, a biopsy may be a simple procedure or a serious operation.
Most patients with tumors undergo CT or MRI to determine the exact location of the tumor and how far it has spread. More recently, positron emission tomography (PET) scans were used to find certain types of tumors.
Other tests include:

     
A biopsy of the tumor
     
Blood Chemistry
     
Bone marrow biopsy (most often for lymphoma or leukemia)
     
Chest X-ray
     
Complete blood count (CBC)



treatment
Treatment also varies depending on the type of tumor, whether benign or malignant, and its location. If the tumor is benign (meaning it has the potential to spread) and is in "safe" area, where it will not cause symptoms or affect the function of organs, sometimes no treatment is required.
Sometimes benign tumors can be removed for cosmetic reasons, however. Benign brain tumors can be removed because of their location or harmful effect on the surrounding normal brain tissue.
If the tumor is malignant, treatments include:

     
surgery
     
radiation
     
chemotherapy
    
The combination of these methods
If the cancer is in one place, the goal of treatment is usually to remove the tumor surgically. If the tumor has spread to local lymph nodes only, sometimes they can also be removed. If all the cancer can not be removed by surgery, treatment options include radiation and chemotherapy, or both. Some patients require a combination of surgery, radiotherapy and chemotherapy.
However, lymphoma is rarely treated with surgery. Chemotherapy and radiotherapy are often used to treat lymphoma.

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